These versions all pull from the same set of "section-split" wiki pages, so you can edit either version and the changes will be reflected in the other. (From the Walnut/Complete page, you should use the 'edit' links on the right of each section, not the link at the top of the page.)

The original version of "E in a Walnut" is copyright (C) 2000 by Marc Stiegler. Marc has given permission to place the text in the public domain [1]